bài 1 . chọn đáp án đúng 1. Sir Alexander Fleming was the___ of the telephone. A. creator B. explorer C. founder 2. He works as a software ____, writing programmes for IBM . A. explorer B. engineer C.developer 3.As a/ an__________, he works on reactions in laboratoris A. chemist B. engineer C. archeologist 4. The environmental_____met to discuss ways to deal with sea pollution. A. doctors B.conservationists C. developers